Finding the Fourth Proportional to 4,199,672.70, 6,299,509.05 and 2,073,908.70
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Solution
The fourth proportional to 4,199,672.70, 6,299,509.05 and 2,073,908.70 is: 3,110,863.05
Step by Step Solution
- Step 1: Write the proportion equation
4,199,672.70 : 6,299,509.05 = 2,073,908.70 : x - Step 2: Convert to fraction form
4,199,672.70/6,299,509.05 = 2,073,908.70/x - Step 3: Cross multiply
4,199,672.70x = 6,299,509.05 × 2,073,908.70 - Step 4: Simplify right side
4,199,672.70x = 13,064,606,624,523.73 - Step 5: Solve for x
x = 13,064,606,624,523.73/4,199,672.70 - Step 6: Final answer
x = 3,110,863.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.